day03\a.txt
.....\create.c
.....\day03.txt
.....\demo1.c
.....\demo2.c
.....\demo3.c
.....\demo4.c
.....\demo4.o
.....\dl.c
.....\fun.c
.....\fun.h
.....\libfun.so
.....\main
.....\main.c
.....\Makefile
.....\read.c
.....\showfile.c
.....\stu.dat
.....\vetrifyfd.c
.....\write.c
day03